Skip to main content

Table 3 Mutational profiles of BRCA1/2 in male and female patients with a diagnosis of tumor

From: Clinical characteristics and prognostic implications of BRCA-associated tumors in males: a pan-tumor survey

Variables

BRCAm identified in males (n = 438, TCGA & SYSUCC)

BRCAm identified in females (n = 592, TCGA)

P*

Oncogenicity of BRCA1/2 mutation

 BRCA1

127 (29.0)

193 (32.6)

0.243

 deleterious (or likely)

29 (21.8)

67 (34.7)

0.032

 undetermined significant

98 (77.2)

126 (65.3)

 

 BRCA2

311 (32.6)

399 (67.4)

 

 deleterious (or likely)

89 (28.6)

103 (25.8)

0.454

 undetermined significant

222 (71.4)

296 (74.2)

 

Individual BRCA1/2 mutation count

(range, 1–12)

 1

286 (82.7)

278 (79.7)

0.208

 2

36 (10.4)

32 (9.2)

 

 ≥ 3

24 (6.9)

39 (11.2)

 

BRCA1/2 mutational types

 BRCA1

 frameshift

7 (5.5)

20 (10.4)

0.013

 missense

89 (70.1)

144 (74.6)

 

 nonsense

15 (11.8)

23 (11.9)

 

 in-frame InDel

2 (1.6)

0(0.0)

 

 fusion/amplification

5 (3.9)

3 (1.6)

 

 othersa

9 (7.1)

3 (1.6)

 

 BRCA2

 frameshift

47 (15.1)

38 (9.5)

0.110

 missense

216 (69.5)

304 (76.2)

 

 nonsense

33 (10.6)

44 (11.0)

 

 in-frame InDel

2 (0.6)

3 (0.8)

 

 fusion/amplification

2 (0.6)

4 (1.0)

 

 others

11 (3.5)

6 (1.5)

 
  1. *χ2 test comparing the characteristics of BRCA1/2 mutations between groups
  2. aIncluding BRCA1/2 intronic mutations in splice site (or region) and translation start site